ERROR

हमें खेद है - हालाँकि हमने अपना सर्वश्रेष्ठ किया: एक त्रुटि हुई
Typedatabase
MessageYou have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near "AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categorie..." at line 5
QuerySELECT (SELECT categories_id FROM categories_description WHERE language_id = 9 AND categories_id = 000) AS cat1, (SELECT categories_id FROM categories_description WHERE language_id = 9 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2, (SELECT categories_id FROM categories_description WHERE language_id = 9 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3, (SELECT categories_id FROM categories_description WHERE language_id = 9 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categories_name FROM categories_description WHERE language_id = 9 AND categories_id = 000) AS cat1name, (SELECT categories_name FROM categories_description WHERE language_id = 9 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2name, (SELECT categories_name FROM categories_description WHERE language_id = 9 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3name, (SELECT categories_name FROM categories_description WHERE language_id = 9 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4name, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 000) AS cat1url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4url, (SELECT wod_count_products FROM categories WHERE categories_id = 000) AS cat1cnt, (SELECT wod_count_products FROM categories WHERE categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2cnt, (SELECT wod_count_products FROM categories WHERE categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3cnt, (SELECT wod_count_products FROM categories WHERE categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4cnt

Thomas Schmidt 
Schweißnähte mit dem WIG Schweißverfahren selbständig herstellen und kontrollieren (Unterweisung Metallbauer / -in) [PDF ebook] 

Ủng hộ

Unterweisung / Unterweisungsentwurf aus dem Jahr 2005 im Fachbereich Ad A Handwerk / Produktion / Gewerbe – Mechanische Berufe, Metall und Kunststoff, Note: gut, , Sprache: Deutsch, Abstract: Schweißnähte mit dem WIG Schweißverfahren selbständig herstellen und kontrollieren.
Das Wolfram Inerdgas Schweißverfahren ist ein Schmelzschweißverfahren das immer mehr an Bedeutung gewinnt, da man hiermit hauptsächlich Edelstahl schweißt. Edelstahl gewinnt ein immer größeres Ansehen im Handwerk da es nicht korrodiert (rostet).
Das Prinzip des WIG – Schweißens ist leicht erklärt. Zwischen dem Werkstück und der Wolframelektrode entsteht ein Lichtbogen, der von dem Edelgas Argon umschlossen ist, es entsteht ein Schmelzbad. Zu der Schmelze wird der Zusatzwerkstoff zugegeben.
Schematische Darstellung des Schweißzusatzes, des Schweißbades und des WIG Brenners
Der Auszubildende soll Bauteile und Baugruppen heften, sowie Bleche und Profile in verschiedenen Positionen und mit unterschiedlichen Verfahren schweißen, einschließlich
– Nahtart unter Berücksichtigung der Werkstoffe und der Werkstücke festlegen – Schweißeinrichtungen, Zusatz- und Hilfsmittel auswählen – Einstellwerte festlegen Betriebsbereitschaft herstellen

€7.99
phương thức thanh toán
Mua cuốn sách điện tử này và nhận thêm 1 cuốn MIỄN PHÍ!
Ngôn ngữ tiếng Đức ● định dạng PDF ● ISBN 9783638338844 ● Kích thước tập tin 0.5 MB ● Nhà xuất bản GRIN Verlag ● Thành phố München ● Quốc gia DE ● Được phát hành 2005 ● Phiên bản 1 ● Có thể tải xuống 24 tháng ● Tiền tệ EUR ● TÔI 3502635 ● Sao chép bảo vệ không có

Thêm sách điện tử từ cùng một tác giả / Biên tập viên

4.996 Ebooks trong thể loại này