go easy on something

3-D seismic method aerospace cartography aluminithermic weld ammoniacal silver staining technique arm axle book post critical tutrient level cut off mould dog-handlers electron channeling graphite fiber reinforced plastics isotopic dilution lamp screen Larmor theorem Mohlānwāla multi-aspect indexing semi drop center rim swonas Thylacinus cynocephalus water-soluble acid in oil