In order to maintain contact with the immediate roof, laggings are put with the cross-bars. The norms of putting such laggings is

In order to maintain contact with the immediate roof, laggings are put with the cross-bars. The norms of putting such laggings is Correct Answer one for every meter length of bar

Bissoy MCQ

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Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.